High-altitude large-span cantilever steel beam fixing device

Abstract

The utility model relates to the technical field of building construction auxiliary devices, and provides a high-altitude large-span cantilever steel beam fixing device which comprises a floor slab, a steel beam body and a plurality of fixing pieces, studs are symmetrically embedded in the floor slab in a penetrating and sliding mode, the bottom end of the steel beam body abuts against the top end of the floor slab, and the bottom end of the steel beam body abuts against the top end of the floor slab. The top end of the lower fixing piece abuts against the bottom end of the floor, the bottom end of the upper fixing piece abuts against the top end of the steel beam body, grooves are symmetrically formed in the sides, close to the steel beam body, of the fixing pieces, and rotating columns are rotationally embedded in the grooves in a penetrating mode. Nuts matched with the studs are fixedly embedded in the inner walls of the rotating columns, adjusting rods are rotationally arranged on the opposite sides of the horizontal parts of the fixing parts, the device can be conveniently disassembled and assembled, the fixing efficiency of the cantilever steel beam is improved, and meanwhile the using stability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction auxiliary devices, in particular to a high-altitude large-span cantilever steel beam fixing device. Background Art

[0002] A beam with one end buried or cast in a support and the other end extending out of the support is called a cantilever beam. The cantilever beam is a statically determinate structure, and the reliability of its connection is the key to the extension and reconstruction of the cantilever beam. The bonding surface between the new and old concrete is the weak link in the reconstruction and reinforcement. By analyzing the factors that affect the bonding performance of the new and old concrete, multiple measures are taken to ensure the reliability of the cantilever beam extension.

[0003] According to the announcement number CN207144458U, a large-span cantilever steel beam fixing device is published, which belongs to the construction auxiliary device, and includes a fixing body, a fixing plate and a fastener. The fixing body is a steel bar with threads at both ends, which is arranged on both sides of the cantilever steel beam; the fixing plate has two upper and lower pieces, which are respectively fitted with the cantilever steel beam and the concrete floor slab, and are fixedly connected to the two ends of the fixing body by fasteners. The utility model device has a simple structure, convenient construction, safety and reliability. At the same time, the utility model device is easy to disassemble and assemble, can be reused, saves materials, and reduces construction. When installing and disassembling the above device, the user needs to use tools to disassemble or install multiple nuts one by one, which makes the efficiency of disassembly and installation of the device low.

[0004] Therefore, this scheme specially proposes a high-altitude large-span cantilever steel beam fixing device to solve the above problems. Utility Model Content

[0005] In order to overcome the defects of the prior art, the purpose of the utility model is to provide a high-altitude large-span cantilever steel beam fixing device which is easy to disassemble and install.

[0006] To achieve the above-mentioned purpose, the technical scheme of the utility model is realized as follows: a high-altitude large-span cantilever steel beam fixing device comprises a floor slab, a steel beam body and a plurality of fixing parts, wherein studs are symmetrically penetrated and slidably embedded on the floor slab, the bottom end of the steel beam body is in conflict with the top end of the floor slab, the top end of the fixing part below is in conflict with the bottom end of the floor slab, and the bottom end of the fixing part above is in conflict with the top end of the steel beam body. The fixing parts are symmetrically provided with grooves on one side close to the steel beam body, and a rotating column is rotatably embedded in the groove, and a nut matching the stud is fixedly embedded on the inner wall of the rotating column, and an adjusting rod is rotatably provided on the opposite side of the horizontal part of the fixing parts, a sprocket 1 is fixedly sleeved on the adjusting rod, and a sprocket 2 is fixedly sleeved on the side of the rotating column away from the floor slab, and the adjacent sprockets 1 and sprockets 2 are connected by chain transmission.

[0007] Preferably, a plurality of limiting rings are fixedly sleeved on the rotating column, and the limiting rings respectively abut against the inner wall of a side adjacent to the fixing member or a side adjacent to the groove.

[0008] Preferably, a bearing matching the rotating column is fixedly embedded through the inner wall of the groove on a side away from the floor.

[0009] Preferably, a shell is fixedly provided on the side of the horizontal portion of the fixing member away from the floor, through holes matching the studs are symmetrically penetrated through the shell, and the side of the adjusting rod away from the floor extends outside the shell.

[0010] Preferably, a locking screw is rotatably embedded in the knob of the adjusting rod, and a plurality of threaded holes matching the locking screw are formed in an annular array on one side of the shell away from the floor.

[0011] Preferably, the knob of the adjusting rod is provided with anti-slip grooves.

[0012] Preferably, an anti-slip pad is fixedly provided on one side of the fixing member close to the floor slab.

[0013] The beneficial effects of the utility model are embodied in:

[0014] The utility model is provided with a rotating column, sprocket one and sprocket two. When in use, the fixing piece is sleeved on the stud, and then the adjusting rod is rotated to make the adjusting rod drive the sprocket one to rotate. At this time, the sprocket one will drive the sprocket two to rotate through the chain, so that the sprocket two drives the rotating column and the nut to rotate. The nut is rotated on the stud, so that the steel beam body can be pressed and fixed by the fixing piece. A locking screw is provided and the locking screw is tightened in the corresponding threaded hole, so that the adjusting rod can be fixed, thereby improving the stability of the device after installation. The utility model can facilitate the disassembly and installation of the device, improve the fixing efficiency of the cantilever steel beam, and at the same time improve the stability of the device when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is the front view of the utility model;

[0017] Figure 2 It is a schematic diagram of the structure of the utility model;

[0018] Figure 3 For the utility model Figure 2 The enlarged view of point A in the middle;

[0019] Figure 4 For the utility model Figure 2 The enlarged view of point B in the middle;

[0020] Figure 5 It is a top view of sprocket 1 and sprocket 2 of the utility model;

[0021] Description of reference numerals:

[0022] 1. Floor slab; 2. Steel beam body; 3. Fixing parts; 4. Studs; 5. Grooves; 6. Rotating columns; 7. Nuts; 8. Adjusting rods; 9. Sprocket one; 10. Sprocket two; 11. Chain; 12. Limiting ring; 13. Housing; 14. Locking screws; 15. Threaded holes. DETAILED DESCRIPTION

[0023] The utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. In the absence of conflict, the embodiments in this application and the features in the embodiments can be combined with each other. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] It should be noted that if the utility model embodiments involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0025] In addition, "multiple" means more than two. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0026] Please refer to the instruction manual Figure 1-5The utility model provides a high-altitude large-span cantilever steel beam fixing device, comprising a floor 1, a steel beam body 2 and a plurality of fixing members 3, the floor 1 is symmetrically penetrated and slidably embedded with studs 4, the bottom end of the steel beam body 2 is in conflict with the top end of the floor 1, the top of the fixing member 3 below is in conflict with the bottom end of the floor 1, and the bottom end of the fixing member 3 above is in conflict with the top end of the steel beam body 2. The fixing member 3 is symmetrically provided with grooves 5 on one side close to the steel beam body 2, and a rotating column 6 is rotatably embedded in the groove 5. A nut 7 matching the stud 4 is fixedly embedded on the inner wall of the rotating column 6, and an adjusting rod 8 is rotatably provided on the opposite side between the horizontal parts of the fixing member 3, and a sprocket wheel 1 9 is fixedly sleeved on the adjusting rod 8, and a sprocket wheel 2 10 is fixedly sleeved on the side of the rotating column 6 away from the floor 1, and the adjacent sprocket wheels 1 9 and sprocket wheels 2 10 are connected by a chain 11 for transmission. The fixing part 3 is put on the stud 4, and then the adjusting rod 8 is rotated to make the adjusting rod 8 drive the sprocket 1 9 to rotate. At this time, the sprocket 1 9 will drive the sprocket 2 10 to rotate through the chain 11, so that the sprocket 2 10 drives the rotating column 6 and the nut 7 to rotate. The nut 7 is rotated on the stud 4, so that the steel beam body 2 can be pressed and fixed by the fixing part 3. By setting the locking screw 14 and tightening the locking screw 14 in the corresponding threaded hole 15, the adjusting rod 8 can be fixed, thereby improving the stability of the device after installation. The utility model can facilitate the disassembly and installation of the device, improve the fixing efficiency of the cantilever steel beam, and at the same time improve the stability of the device when it is used.

[0027] In one embodiment, please refer to the attached manual. Figure 2 and 3 A plurality of limiting rings 12 are fixedly sleeved on the rotating column 6, and the limiting rings 12 respectively abut against the inner wall of the side adjacent to the fixing member 3 or the side adjacent to the groove 5, and a bearing matching the rotating column 6 is fixedly embedded through the inner wall of the groove 5 away from the floor 1. By setting the limiting rings 12 and the bearings, the rotating column 6 can be provided with a limiting support function.

[0028] In one embodiment, please refer to the attached manual. Figure 1 and 2 A shell 13 is fixedly provided on the side of the horizontal portion of the fixing member 3 away from the floor 1, and through holes matching the studs 4 are symmetrically penetrated through the shell 13. The side of the adjusting rod 8 away from the floor 1 extends outside the shell 13. By setting the shell 13, the rotating column 6, sprocket 1 9 and sprocket 2 10 can be protected, thereby preventing the sprocket 1 9 and sprocket 2 10 from being hit by foreign objects.

[0029] In one embodiment, please refer to the attached manual. Figure 1 and 3 The knob of the adjusting rod 8 is provided with a locking screw 14 which is rotatably embedded therein, and the side of the shell 13 away from the floor 1 is provided with a plurality of threaded holes 15 which are in a circular array and match the locking screw 14. The knob of the adjusting rod 8 is provided with anti-slip grooves, and the side of the fixing member 3 close to the floor 1 is fixed with an anti-slip pad. By tightening the locking screw 14 into the corresponding threaded hole 15, the adjusting rod 8 can be fixed, thereby improving the stability of the device after installation. By providing the anti-slip grooves, it is convenient for the user to rotate the adjusting rod 8. By providing the anti-slip pads, the stability of the device after fixing to the steel beam body 2 can be improved.

[0030] When in use, place one end of the steel beam body 2 on the floor 1, and pass the stud 4 through the floor 1, then put the fixing piece 3 on the stud 4, and then rotate the adjusting rod 8 to make the adjusting rod 8 drive the sprocket 1 9 to rotate. At this time, the sprocket 1 9 will drive the sprocket 2 10 to rotate through the chain 11, so that the sprocket 2 10 drives the rotating column 6 and the nut 7 to rotate. The nut 7 is rotated on the stud 4, so that the steel beam body 2 can be pressed and fixed by the fixing piece 3. By setting the limiting ring 12 and the bearing, the rotating column 6 can be limited and supported. By tightening the locking screw 14 in the corresponding threaded hole 15, the adjusting rod 8 can be fixed, thereby improving the stability of the device after installation. By setting the anti-slip pattern, it is convenient for the user to rotate the adjusting rod 8. By setting the anti-slip pad, the stability of the device after fixing the steel beam body 2 can be improved.

[0031] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-altitude large-span cantilever steel beam fixing device, characterized in that: The invention comprises a floor slab (1), a steel beam body (2) and a plurality of fixing members (3), wherein studs (4) are symmetrically penetrated and slidably embedded on the floor slab (1), the bottom end of the steel beam body (2) abuts against the top end of the floor slab (1), the top end of the fixing member (3) below abuts against the bottom end of the floor slab (1), and the bottom end of the fixing member (3) above abuts against the top end of the steel beam body (2), and grooves (5) are symmetrically provided on one side of the fixing member (3) close to the steel beam body (2), and the grooves (5) A rotating column (6) is rotatably embedded in the inside, a nut (7) matching the stud (4) is fixedly embedded on the inner wall of the rotating column (6), an adjusting rod (8) is rotatably provided on the opposite side of the horizontal part of the fixing member (3), a sprocket wheel 1 (9) is fixedly sleeved on the adjusting rod (8), a sprocket wheel 2 (10) is fixedly sleeved on the side of the rotating column (6) away from the floor slab (1), and the adjacent sprocket wheels 1 (9) and sprocket wheels 2 (10) are connected by a chain (11) for transmission.

2. A high-altitude large-span cantilever steel beam fixing device according to claim 1, characterized in that: A plurality of limiting rings (12) are fixedly sleeved on the rotating column (6), and the limiting rings (12) respectively abut against the inner wall of a side adjacent to the fixing member (3) or a side adjacent to the groove (5).

3. The high-altitude large-span cantilever steel beam fixing device according to claim 1 is characterized in that: A bearing matching the rotating column (6) is fixedly embedded through the inner wall of the groove (5) on the side away from the floor slab (1).

4. The high-altitude large-span cantilever steel beam fixing device according to claim 1 is characterized in that: A shell (13) is fixedly provided on the side of the horizontal portion of the fixing member (3) away from the floor slab (1), and through holes matching the studs (4) are symmetrically penetrated through the shell (13), and the side of the adjusting rod (8) away from the floor slab (1) extends outside the shell (13).

5. The high altitude large span cantilever steel beam fixing device according to claim 4 is characterized in that: The knob of the adjusting rod (8) is provided with a locking screw (14) which is rotatably embedded therein, and a plurality of threaded holes (15) matching the locking screw (14) are provided in an annular array on one side of the housing (13) away from the floor slab (1).

6. The high-altitude large-span cantilever steel beam fixing device according to claim 1 is characterized in that: The knob of the adjusting rod (8) is provided with anti-slip grooves.

7. The high-altitude large-span cantilever steel beam fixing device according to claim 1 is characterized in that: An anti-slip pad is fixedly provided on one side of the fixing member (3) close to the floor slab (1).

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